Home / Standards / GB/T 24583.4-2019 GB/T 24583.4-2019 Active Vanadium-nitrogen—Determination of carbon content—Infrared absorption method 钒氮合金 碳含量的测定 红外线吸收法 Standard Type GBT ICS 77.100 CCS H11 Status 现行 Issue Date 2019-06-04 Implementation 2020-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A